Dantherm BasX User manual

BasX
Service manual
EN
No. 039073 • rev. 1.0 • 08.03.2007

Der tages forbehold for trykfejl og ændringer
Dantherm can accept no responsibility for possible errors and changes
Irrtümer und Änderungen vorbehalten
Dantherm n’assume aucune responsabilité pour erreurs et modifications éventuelles

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039073 • Version 1.0 • 05.03.2007
Introduction
Overview
Introduction This is the service manual for the Dantherm Air Handling BasX unit.
The index below shows the main sections of the manual. For further information see the
complete table of contents on page 4.
Warning It is the operator’s responsibility to read and understand this manual as well as
other information and to use the correct operation and maintenance procedure.
The unit should only be operated by qualified (trained) persons. Repair of cooling
circuit/electrical system must be done by skilled service engineers. If such precautions
are neglected, persons or equipment may be injured or damaged.
Not included This manual does not include information about:
•Transport, mounting, installation, start and commissioning of the unit
Separate instructions are delivered with the unit
•Function and use of the control
Separate instructions are delivered with the unit, if the control is included in the
delivery from Dantherm Air Handling A/S
•Technical information/data including electrical documentation
Delivered separately with the unit
Contents This service manual deals with the following:
Item See page
Introduction This page
Table of contents 4
General information 5
Service guide 6
Technical information 27
Index 33

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Table of contents
Introduction This is the complete table of contents covering all sections in this service manual.
Each main section will begin with an introduction including a separate table of contents
covering the specific section.
Table of contents This service manual covers the following topics:
Topic See page
Introduction 3
Table of contents 4
General information 5
Service guide 6
Scheduling service inspections, overview 7
Preventive maintenance 9
How to service the cabinet 10
How to service fans and fan motors 11
How to service the cross-flow heat exchanger 13
How to service the rotary heat exchanger 15
How to service run-around heat exchangers 17
How to service the filter 19
How to service the heating coil 20
How to service the cooling coil 21
How to service dampers 22
Spare parts 24
Fault finding guide 25
Service agreement 26
Technical information 27
Dimensions 28
Driver for rotor exchanger 29
Flow calculation for plug fans 32
Index 33

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039073 • Version 1.0 • 05.03.2007
General information
Introduction This section includes general information on the unit and the service manual.
Target group The service manual’s target group is the service engineers that maintain the unit.
Not included in
the manual
The following is not included in this manual, but described separately:
•The transport, mounting and installation guide
•The user’s guide for control, if such is delivered
•Technical information, including electrical documentation
Copyright Copying of this service manual, or part of it, is forbidden without prior written permission
from Dantherm Air Handling.
Reservations Dantherm Air Handling reserves the right to make changes and improvements to the
product and the service manual at any time without prior notice or obligation.
EC-Declaration of
Conformity
Dantherm Air Handling A/S declares that the BasX units comply with the following
directives:
2006/42/EF Directive on machine safety
73/23/EEC Low voltage directive
89/336/EEC EMC directive
and are produced in accordance with the following standards:
EN 292-1 Machine safety
EN 292-2 Machine safety
EN 60 204-1 Electrical equipment for machinery, part 1 – General
requirements
We do not allow use of the units until the machine into which the parts are to be
incorporated has been declared to be in full accordance with the relevant directives.
Recycling The unit is designed to last for many years. When the time comes for the unit to be
recycled, the unit should be recycled according to national rules and procedures to
protect the environment.

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Service guide
Overview
Introduction This section contains any relevant information for the service of the BasX unit.
It includes:
•a survey for the planning of service inspections
•a description of all the components that require preventive maintenance
•general information on spare parts, fault finding etc.
Below please find a list of the main sections.
Preventive
maintenance
For optimum operation conditions and a long life it is necessary to perform preventive
maintenance on the various unit parts within the stipulated intervals. Read more about
intervals in section “Scheduling service inspections, overview”, page 7
Guarantee The factory guarantee is only valid when the preventive maintenance is in accordance
with the guidelines of this section. Written documentation must be available.
Quick and easy Dantherm Air Handling A/S has put great efforts into making the maintenance work as
quick and easy as possible.
Among other things the unit has inspection doors for easy access to the parts to be
serviced.
Warning! Do not forget to disconnect all current to the unit and the unit parts before service.
Contents This section includes the following:
Item See page
Scheduling service inspections, overview next page
Preventive maintenance 9
Spare parts 24
Fault finding guide 25
Service agreement 26

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039073 • Version 1.0 • 05.03.2007
Scheduling service inspections, overview
Introduction This section gives an overview of the parts to be regularly serviced.
Read more in each section of each part about what kind of service is necessary and
how to carry out this service inspection.
Categories Dantherm Air Handling has categorized the service inspections to be carried out:
•Four times a year
•Every 5000 operating hours or at least once a year
•Once a year
•When the catalogue value for recommended end pressure loss is exceeded
Four times a year Check the following parts at least four times a year to ensure optimal operating
performance:
Component Service Reference
Rotary heat
exchanger
Check and tighten the belt-drive Page 15
Fan Check and tighten the pulley Page 11
Once a year Check the following parts at least once a year to ensure optimal operating performance:
Component Service Reference
Cabinet Clean the cabinet
Check the seals and closing mechanisms
Page 10
Damper Check the air-tightness Page 22
Rotary heat
exchanger
Check the condition of the rotor and that it turns
easily
Check the brush seals
Check the drive system
Page 15
Cross-flow heat
exchanger
Check the heat exchanger
Check the air-tightness of the bypass damper
Lubricate the movable parts of the bars
connected to the damper motor
Clean the drip tray, drain and water trap
Page 13
Run-around heat
exchanger
Check the condition of the coils
Vent the coils
Clean the drip tray, drain and water trap (exhaust
air)
Check the droplet eliminator (exhaust air)
Check the pump
Page 17
Heating coil Check the condition of the coil
Vent the water coil
Page 20
Continued overleaf

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Scheduling service inspections, overview, continued
Once a year,
continued
Component Service Reference
Cooling coil Check the condition of the coil
Vent the coil which use water
Clean the drip tray, drain and water trap
Check the droplet eliminator
Page 21
Fan Check the fan impeller
Check the vibration isolators and flexible
connections
Page 11
Catalogue value The following parts should be checked at least when the catalogue value for
recommended end pressure loss is exceeded to ensure optimal operating performance:
Component Service Reference
Bag filter Replace the filter cells and check the seals at the
filter cells
page 19

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039073 • Version 1.0 • 05.03.2007
Preventive maintenance
Introduction In order to achieve the best possible operation and long lifetime of the air handling unit
it is necessary to perform preventive maintenance of the various parts of the air
handling unit within the necessary intervals. Read more about intervals in the section
“Scheduling service inspections, overview”, page 7
Condition for
warranty
The factory warranty is only valid if documented preventive maintenance has been
carried out by the instructions in this section. The documentation could be in form of a
written log.
Contents This section covers the following topics:
Topic See page
How to service the cabinet 10
How to service fans and fan motors 11
How to service the cross-flow heat exchanger 13
How to service the rotary heat exchanger 15
How to service run-around heat exchangers 17
How to service the filter 19
How to service the heating coil 20
How to service the cooling coil 21
How to service dampers 22

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How to service the cabinet
Interval Clean the cabinet once a year.
Before you start
Before you start Make sure to have the following available before you start servicing the cabinet:
•Cloth, water, and if needed, detergent
Caution! Remember to switch off the main power supply to the unit and its parts before starting
the service inspection!
Illustration This illustrates the cabinet:
Procedure Follow the procedure below to service the cabinet:
Step Action
1 Dry it off with a dry cloth or use water mixed with a cleaning product
2 Clean the seals and inspection doors, and check for leakage.
Dantherm Air Handling recommends treating the seals with a moisture
repellent agent
3 Check the seals and closing mechanisms